7788978080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3744701}}^1$

素因数の和:3744729

約数の個数: 48

約数和(自身を含む): 19816962984

約数和(自身を除く): 12027984904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 3744701, 7489402, 14978804, 18723505, 29957608, 37447010, 48681113, 59915216, 74894020, 97362226, 119830432, 149788040, 194724452, 243405565, 299576080, 389448904, 486811130, 599152160, 778897808, 973622260, 1557795616, 1947244520, 3894489040, 7788978080]

約数ペア:

[(1, 7788978080), (2, 3894489040), (4, 1947244520), (5, 1557795616), (8, 973622260), (10, 778897808), (13, 599152160), (16, 486811130), (20, 389448904), (26, 299576080), (32, 243405565), (40, 194724452), (52, 149788040), (65, 119830432), (80, 97362226), (104, 74894020), (130, 59915216), (160, 48681113), (208, 37447010), (260, 29957608), (416, 18723505), (520, 14978804), (1040, 7489402), (2080, 3744701)]